package com.java.service;



import java.util.List;

import com.java.model.*;

public interface BuyingService {

	public int Add(Buying j);
	public int EditNum(Buying j);
	public int Del(int id);
	public List<Buying> Get(Buying n);
	public int GetSum(Buying j);
	public int GetCount(Buying j);
}
